健康奶牛阴道乳酸菌分离鉴定及作为候选益生菌株的体外评价
Chinese Journal of Preventive Veterinary Medicine(2016)
Abstract
为分离健康奶牛阴道乳酸菌并鉴定其益生特性,本研究采集健康奶牛阴道临床样品并分离筛选到4株乳酸菌,对其抑菌活性、产酸性能、产H2O2能力及对抗生素敏感性进行检测,通过16S rDNA序列分析鉴定乳酸菌分离株.结果显示,4株乳酸菌具有较好的抑菌活性和产酸性能,在体外均能够产生H2O2,并对万古霉素具有抗性;经鉴定4株乳酸菌分别为唾液乳杆菌l株、黏膜乳杆菌2株、坚强肠球菌1株.本研究分离鉴定的4株乳酸菌均可以作为候选益生菌株用于奶牛子宫内膜炎防治.
MoreKey words
vagina,Lactobacillus,anti-bacteria activity
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